Néel Walls in Low Anisotropy Symmetric Double
Layers

Carlos J. García-Cervera

Abstract

A new model for the study of one-dimensional
walls in magnetic multilayers is presented. We obtain the optimal
scaling of this energy functional for low anisotropy double
layers with magnetic layers of equal thickness. We prove that he
optimal scaling may be
attained by opposing Néel walls. We obtain the core length of the
Néel wall, and a detailed description of its structure. We
illustrate our findings numerically.